[c-nsp] DS1 provisioning using IP Unnumbered vs /30s

[Benny Amorsen]

Alex Balashov <abalashov at evaristesys.com> writes:

> There is no reason why you need to "waste" IP address on the /30s -
> who said they have to be public IPs?  Just carve out some address
> space out of a 10.0.0.0/8 range and use private transport IPs.

You risk that ICMP comes from those addresses. This could happen with
traceroute, where it is harmless, and with ICMP-Packet-Too-Big, where
it isn't harmless.

Is there a way to force a particular IP to be used for ICMP messages
with Cisco?


/Benny